/* ============================================================
   Udruga Sportiva — Stylesheet
   ============================================================ */

/* --- Design Tokens --- */
:root {
  /* Brand */
  --primary: oklch(0.42 0.16 112);
  --primary-muted: oklch(0.88 0.03 112);
  --accent: oklch(0.52 0.22 45);

  /* Surfaces */
  --bg: oklch(1 0 0);
  --surface: oklch(0.96 0.004 112);
  --surface-dark: oklch(0.15 0.006 258);

  /* Text */
  --ink: oklch(0.14 0.010 258);
  --ink-inverse: oklch(0.98 0 0);
  --muted: oklch(0.40 0.006 258);
  --muted-inverse: oklch(0.65 0.004 258);

  /* Typography */
  --font-display: clamp(3.25rem, 7vw, 5.5rem);
  --font-h1: clamp(2rem, 4.5vw, 3.25rem);
  --font-h2: clamp(1.5rem, 3vw, 2.25rem);
  --font-h3: clamp(1.15rem, 2vw, 1.5rem);
  --font-body: 1.0625rem;
  --font-sm: 0.9375rem;
  --leading-body: 1.65;
  --leading-heading: 1.15;
  --family-display: 'Oswald', sans-serif;
  --family-body: 'Source Sans 3', sans-serif;

  /* Spacing (4px base) */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 68rem;
  --nav-height: 4.5rem;

  /* Z-index scale */
  --z-nav: 100;
  --z-overlay: 200;
  --z-mobile-menu: 300;
  --z-modal: 400;

  /* Motion */
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--family-body);
  font-feature-settings: 'kern' 1, 'liga' 1;
  font-size: var(--font-body);
  font-weight: 400;
  line-height: var(--leading-body);
  color: var(--ink);
  background: var(--bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: var(--z-mobile-menu);
  font-family: var(--family-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-inverse);
  background: var(--primary);
  padding: var(--space-sm) var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease-out-quint);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: oklch(1 0 0 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: var(--z-nav);
  transition: box-shadow 0.4s var(--ease-out-quint);
}

.nav.scrolled {
  box-shadow: 0 1px 0 oklch(0 0 0 / 0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-brand img {
  height: 2.25rem;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-2xl);
}

.nav-links a {
  font-family: var(--family-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color 0.3s var(--ease-out-quint);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease-out-quint);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: var(--space-xs);
  position: relative;
}

.hamburger::before {
  content: '';
  position: absolute;
  inset: -6px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out-quint), opacity 0.2s var(--ease-out-quint);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Section Base --- */
.section {
  padding: var(--space-4xl) var(--space-xl);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-heading {
  font-family: var(--family-display);
  font-size: var(--font-h1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: var(--leading-heading);
  text-wrap: balance;
  margin-bottom: var(--space-3xl);
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.head-mark {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
  color: var(--primary);
}

.subsection-heading {
  font-family: var(--family-display);
  font-size: var(--font-h3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: var(--space-lg);
  text-wrap: balance;
}

/* --- Utility --- */
.bg-white { background: var(--bg); }
.bg-surface { background: var(--surface); }
.bg-dark { background: var(--surface-dark); color: var(--ink-inverse); }
.bg-primary { background: var(--primary); color: var(--ink-inverse); }

.bg-dark .section-heading { color: var(--ink-inverse); }
.bg-dark .head-mark { color: var(--primary); }
.bg-primary .section-heading { color: var(--ink-inverse); }
.bg-primary .head-mark { color: var(--ink-inverse); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: var(--nav-height) var(--space-xl) var(--space-3xl);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      135deg,
      oklch(0.12 0.010 258 / 0.72) 0%,
      oklch(0.10 0.008 258 / 0.50) 40%,
      oklch(0.14 0.012 258 / 0.55) 100%
    );
}

.hero-accent {
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--primary);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.hero-lockup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero-lockup img {
  height: 4rem;
  width: auto;
  filter: brightness(0) invert(1);
}

.hero h1 {
  font-family: var(--family-display);
  font-size: var(--font-display);
  font-weight: 700;
  color: var(--ink-inverse);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
  text-wrap: balance;
}

.hero .tagline {
  font-family: var(--family-body);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 400;
  color: oklch(0.85 0.003 112);
  margin-top: var(--space-lg);
  letter-spacing: 0.02em;
  text-wrap: balance;
}

/* ============================================================
   O NAMA
   ============================================================ */
.intro-lead {
  margin-bottom: var(--space-3xl);
  max-width: 58ch;
}

.intro-lead p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--ink);
  font-weight: 500;
}

.mission-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl);
  background: var(--primary-muted);
  position: relative;
  overflow: hidden;
}

.mission-vision::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -5%;
  width: 6rem;
  height: 140%;
  background: var(--primary);
  opacity: 0.06;
  transform: rotate(12deg);
}

.mission-vision h3 {
  font-family: var(--family-display);
  font-size: var(--font-h3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.mission-vision p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink);
  text-wrap: pretty;
}

.values-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl) var(--space-3xl);
  justify-content: space-between;
  margin-bottom: var(--space-3xl);
}

.value-item {
  flex: 1 1 200px;
}

.value-icon {
  display: block;
  width: 2rem;
  height: 2rem;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.value-item .value-name {
  font-family: var(--family-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2xs);
}

.value-item .value-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

.activity-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.activity-list li {
  font-family: var(--family-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--primary-muted);
  padding: var(--space-xs) var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}

.pill-icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  color: var(--primary);
}

.focus-note {
  font-size: 1rem;
  font-weight: 500;
  color: var(--primary);
  line-height: 1.6;
  max-width: 50ch;
}

/* ============================================================
   PROGRAMI
   ============================================================ */
.program-current {
  max-width: 58ch;
  margin-bottom: var(--space-3xl);
}

.program-current h3 {
  font-family: var(--family-display);
  font-size: var(--font-h3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: var(--space-md);
}

.program-current p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
  text-wrap: pretty;
}

.program-list {
  margin-bottom: var(--space-xl);
}

.program-cards {
  list-style: none;
  padding: 0;
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.program-card {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-2xl);
  min-height: 80px;
  background: var(--primary-muted);
  border: 0;
  border-left: 4px solid var(--primary);
  border-radius: 0;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
  transition: background 0.25s var(--ease-out-quint), transform 0.2s var(--ease-out-quint);
}

.program-card:hover {
  background: oklch(from var(--primary-muted) calc(l - 0.04) c h);
  transform: translateX(2px);
}

.program-card:focus-visible {
  outline-offset: 4px;
}

.program-card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  flex: 1 1 auto;
}

.program-card-title {
  font-family: var(--family-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
}

.program-card-meta {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--muted);
}

.program-card-cta {
  font-family: var(--family-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.program-card-cta-arrow {
  display: inline-block;
  transition: transform 0.25s var(--ease-out-quint);
}

.program-card:hover .program-card-cta-arrow {
  transform: translateX(4px);
}

/* ============================================================
   STRUČNI SURADNICI
   ============================================================ */
.people-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xl);
  justify-content: center;
}

.person {
  text-align: center;
  flex: 0 1 240px;
  padding: var(--space-xl);
}

.person-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: 0;
  background: var(--primary);
  overflow: hidden;
  margin: 0 auto var(--space-lg);
}

.person-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.person h4 {
  font-family: var(--family-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2xs);
}

.person .role {
  font-family: var(--family-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.person .specialty {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-heading {
  font-family: var(--family-display);
  font-size: var(--font-h1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-wrap: balance;
  margin-bottom: var(--space-sm);
}

.cta-text {
  font-size: 1.15rem;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: var(--space-xl);
}

.cta-link {
  display: inline-block;
  font-family: var(--family-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--ink-inverse);
  padding: var(--space-sm) var(--space-2xl);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background 0.25s var(--ease-out-quint), transform 0.2s var(--ease-out-quint);
}

.cta-link:hover {
  background: oklch(0.92 0 0);
  transform: translateY(-1px);
}

/* ============================================================
   KONTAKT
   ============================================================ */
.contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3xl);
  align-items: flex-start;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact-item .c-label {
  font-family: var(--family-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted-inverse);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-item .c-value {
  font-family: var(--family-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--ink-inverse);
  letter-spacing: 0.02em;
  transition: color 0.25s var(--ease-out-quint);
}

a.c-value:hover {
  color: var(--primary);
}

.contact-item .c-note {
  font-size: 0.85rem;
  color: var(--muted-inverse);
  letter-spacing: 0.03em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  font-family: var(--family-display);
  background: oklch(0.10 0.004 258);
  color: oklch(1 0 0 / 0.40);
  padding: var(--space-3xl) var(--space-xl);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer-logo img {
  height: 3rem;
  width: auto;
  opacity: 0.25;
  transition: opacity 0.3s var(--ease-out-quint);
}

.footer-logo:hover img {
  opacity: 0.5;
}

.back-to-top {
  display: inline-block;
  font-size: 0.75rem;
  color: oklch(1 0 0 / 0.40);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-xs) 0;
  transition: color 0.25s var(--ease-out-quint);
}

.back-to-top:hover {
  color: oklch(1 0 0 / 0.5);
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-content.reveal {
  transform: translateY(2rem);
  transition-delay: 0.2s;
}

.hero-content.reveal.visible {
  transform: translateY(0);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   MODAL
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out-expo), visibility 0.3s var(--ease-out-expo);
}

.modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: oklch(0.10 0.004 258 / 0.65);
  opacity: 0;
  transition: opacity 0.25s var(--ease-out-expo);
}

.modal.open .modal-backdrop {
  opacity: 1;
}

.modal-dialog {
  position: relative;
  background: var(--bg);
  max-width: 42rem;
  width: 100%;
  max-height: calc(100vh - 2 * var(--space-lg));
  overflow-y: auto;
  padding: var(--space-2xl);
  box-shadow: 0 20px 60px oklch(0 0 0 / 0.25);
  transform: scale(0.96);
  opacity: 0;
  transition: transform 0.3s var(--ease-out-expo), opacity 0.25s var(--ease-out-expo);
}

.modal.open .modal-dialog {
  transform: scale(1);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--ink);
  cursor: pointer;
  transition: color 0.2s var(--ease-out-quint), background 0.2s var(--ease-out-quint);
}

.modal-close:hover {
  color: var(--primary);
  background: var(--primary-muted);
}

.modal-title {
  font-family: var(--family-display);
  font-size: var(--font-h3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: var(--space-lg);
  padding-right: var(--space-2xl);
}

.modal-body p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--ink);
  text-wrap: pretty;
}

.modal-body p + p {
  margin-top: var(--space-md);
}

body.modal-open {
  overflow: hidden;
}

/* ============================================================
   RESPONSIVE — Tablet (768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --nav-height: 3.75rem;
  }

  /* Nav */
  .nav {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg);
    flex-direction: column;
    gap: 0;
    box-shadow: 0 20px 40px oklch(0 0 0 / 0.12);
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 0.35s var(--ease-out-expo), visibility 0.35s;
  }

  .nav-links.active {
    transform: translateY(0);
    visibility: visible;
  }

  .nav-links li {
    border-top: 1px solid oklch(0 0 0 / 0.06);
  }

  .nav-links a {
    display: block;
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    letter-spacing: 0.08em;
  }

  .nav-links a::after {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Sections */
  .section {
    padding: var(--space-3xl) var(--space-lg);
  }

  .mission-vision {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .values-strip {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .program-card {
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .contact-strip {
    flex-direction: column;
    gap: var(--space-xl);
  }

  /* Modal */
  .modal {
    padding: var(--space-md);
  }

  .modal-dialog {
    max-height: calc(100vh - 2 * var(--space-md));
    padding: var(--space-xl) var(--space-xl) var(--space-xl);
  }

  .modal-close {
    top: var(--space-sm);
    right: var(--space-sm);
  }
}

/* ============================================================
   RESPONSIVE — Mobile (480px)
   ============================================================ */
@media (max-width: 480px) {
  .section {
    padding: var(--space-2xl) var(--space-md);
  }

  .section-heading {
    margin-bottom: var(--space-2xl);
  }

  .hero-lockup img {
    height: 3rem;
  }

  .activity-list {
    flex-direction: column;
  }

  .activity-list li {
    text-align: center;
    justify-content: center;
  }

  .program-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
  }

  .program-card-cta {
    align-self: flex-end;
  }

  .people-row {
    gap: var(--space-lg);
  }

  .person {
    flex: 0 1 100%;
    padding: var(--space-lg) 0;
  }

  /* Modal — full-screen on mobile */
  .modal {
    padding: 0;
  }

  .modal-dialog {
    max-width: none;
    max-height: 100vh;
    padding: var(--space-lg);
  }

  .modal-close {
    top: var(--space-sm);
    right: var(--space-sm);
  }

  .modal-title {
    padding-right: var(--space-2xl);
  }
}